Szukana fraza: [Abstract = "The strengthening of economic development by complex progress of inland navigation system and the water tourism of four provinces\: the Lubuskie, the Wielkopolska, the Kujawy\-Pomerania and Pomeranian, with its sustainability development principle is the basic aim of \"The conception of spatial inland waterway east\-west\: Oder, Warta River, Notec River, Bydgoszcz Canal, Brda River, Vistula, Nogat River, Szkarpawa River and the Vistula Bay revitalization \(the planned in Poland International Waterway E70\)\"."]